Business Data Communications, 6/e, covers the fundamentals of data communications, networking, distributed applications, and network management and security. Stallings presents these concepts in a way that relates specifically to the business environment and the concerns of business management and staff, structuring his text around requirements, ingredients, and applications. KEY TOPICS: All of the material has been updated for the latest technologies and developments in the field, including: specifications of WiFi/IEEE 802.11 wireless LANs, including 802.11n. IP; performance metrics and service level agreements (SLAs); Gigabit Ethernet and 10-Gbps Ethernet standards; New unified communications concepts; expanded, enhanced security material; New online animations illustrate key functions and algorithms in OS design. MARKET: Appropriate for professionals interested in business data communications.  

Table of Contents:
Preface   Chapter 0   Introduction       0.1    Outline of This Book       0.2    Topic Ordering       0.3    Internet and Web Resources       0.4    Useful Publications   Chapter 1   Introduction       1.1    Information and Communication       1.2    Data Communications and Networking for Today's Enterprise       1.3    Convergence and Unified Communications       1.4    The Nature of Business Information Requirements       1.5    Distributed Data Processing       1.6    The Internet and Distributed Applications       1.7    Networks       1.8    The Transmission of Information       1.9    Management Issues       1.10  Standards       1.11  Recommended Web Sites       1.12  Key Terms and Review Questions       Appendix 1A  Prefixes for Numerical Units   PART ONE  REQUIREMENTS   Chapter 2   Business Information       2.1    Audio       2.2    Data       2.3    Image       2.4    Video       2.5    Performance Measures       Application Note:   File Sizes       2.6    Summary       2.7    Recommended Reading and Web Sites       2.8    Key Terms, Review Questions, and Problems   Chapter 3   Distributed Data Processing       3.1    Centralized Versus Distributed Processing       3.2    Forms of Distributed Data Processing       3.3    Distributed Data       3.4    Networking Implications of DDP       Application Note:   Distributed Computing Support       3.5    Summary       3.6    Recommended Reading       3.7    Key Terms, Review Questions, and Problems   Case Study I        MasterCard International   PART TWO        THE INTERNET AND DISTRIBUTED APPLICATIONS   Chapter 4   Internet History and Architecture       4.1    Internet History       4.2    Internet Architecture       4.3    Internet Domains       Application Note: Fitting DNS into your organizational structure       4.4    Summary       4.5    Recommended Reading       4.6    Key Terms, Review Questions, and Problems   Chapter 5   TCP/IP and OSI       5.1    A Simple Protocol Architecture       5.2    The TCP/IP Protocol Architecture       5.3    Internetworking       5.4    The OSI Protocol Architecture       5.5    Virtual Private Networks and IP Security       Application Note: Practical Guide to Networking       5.6    Summary       5.7    Recommended Reading and Web Sites       5.8    Key Terms, Review Questions, and Problems       Appendix 5A TCP and IP Details       Appendix 5B The Trivial File Transfer Protocol   Case Study II       Florida Department of Management Services - Part One   Chapter 6   Client/Server and Intranet Computing       6.1       The Growth of Client/Server Computing       6.2       Client/Server Applications       6.3       Middleware       6.4       Intranets       6.5       Extranets       6.6       Service Oriented Architecture       Application Note:   To Be Fat or Thin — That is the Question       6.6       Summary       6.7       Recommended Reading and Web Sites       6.8       Key Terms, Review Questions, and Problems   Chapter 7 Internet-Based Applications       7.1    Electronic Mail and SMTP       7.2    Web Access and HTTP       7.3    Web Security       7.4    Internet Telephony and SIP       Application Note:   To Serve or Not to Serve?       7.5    Summary       7.6    Recommended Reading and Web Sites       7.7    Key Terms, Review Questions, and Problems   Case Study III     ING Life   Chapter 8   Internet Operation       8.1       Internet Addressing       8.2       Internet Routing Protocols       8.3       The Need for Speed and Quality of Service       8.4       Differentiated Services       8.5       Service Level Agreements       8.6       IP Performance Metrics       Application Note:  Where Does My Network Address Come From?       8.7       Summary       8.8       Recommended Reading and Web Sites       8.9       Key Terms, Review Questions, and Problems   PART THREE    LOCAL AREA NETWORKS   Chapter 9   LAN Architecture and Protocols       9.1       Background       9.2       LAN Configurations       9.3       Guided Transmission Media       9.4       LAN Protocol Architecture       Application Note:  Cabling Infrastructure       9.5       Summary       9.6       Recommended Reading and Web Sites       9.7       Key Terms, Review Questions, and Problems       Appendix 9A          Decibels and Signal Strength   Chapter 10 Ethernet and Fibre Channel       10.1     The Emergence of High-Speed LANs       10.2     Traditional Ethernet       10.3     Bridges, Hubs, and Switches       10.4     High-Speed Ethernet       Application Note: Networking with Ethernet       10.5     Summary       10.6     Recommended Reading and Web Sites       10.7     Key Terms, Review Questions, and Problems   Case Study IV     Carlson Companies   Chapter 11 Wireless LANs       11.1     Overview       11.2     Wi-Fi Architecture and Services       11.3     IEEE 802.11 MAC and Physical Layer Standards       11.4     IEEE 802.11 Security       Application Note: Deploying Wireless LANs       11.5     Summary       11.6     Recommended Reading and Web Sites       11.7     Key Terms, Review Questions, and Problems   Case Study V       St. Luke's Episcopal Hospital     PART FOUR       WIDE AREA NETWORKS   Chapter 12 Circuit Switching and Packet Switching       12.1     Switching Techniques       12.2     Circuit Switching Networks       12.3     Packet Switching Networks       12.4     Traditional Wide Area Network Alternatives       Application Note: Switching       12.5     Summary       12.6     Recommended Reading and Web Sites       12.7     Key Terms, Review Questions, and Problems   Chapter 13 Frame Relay and ATM       13.1     Wide Area Networking Alternatives       13.2     Frame Relay       13.3     Asynchronous Transfer Mode (ATM)       Application Note: Off-site Connectivity Solutions       13.4     Summary       13.5     Recommended Reading and Web Sites       13.6     Key Terms, Review Questions, and Problems   Case Study VI     Florida Department of Management Services - Part Two   Case Study VII    Guardian Life Insurance   Chapter 14 Wireless WANs       14.1     Cellular Wireless Networks       14.2     Multiple Access       14.3     Third-Generation Wireless Communications       14.4     Satellite Communications       Application Note: PDAs, Cell Phones, and Laptops       14.5     Summary       14.6     Recommended Reading and Web Sites       14.7     Key Terms, Review Questions, and Problems   Case Study VIII   Choice Hotels International   PART FIVE        DATA COMMUNICATIONS     Chapter 15 Data Transmission       15.1     Signals for Conveying Information       15.2     Transmission Impairments and Channel Capacity       Application Note: PDAs, Cell Phones, and Laptops       15.3     Summary       15.4     Recommended Reading and Web Sites       15.5     Key Terms, Review Questions, and Problems   Chapter 16 Data Communication Fundamentals       16.1     Analog and Digital Data Communication       16.2     Data Encoding Techniques       16.3     Asynchronous and Synchronous Transmission       16.4     Error Detection       Application Note: Devices, Encoding, Communication Parameters and Protocols       16.5     Summary       16.6     Recommended Reading and Web Sites       16.7     Key Terms, Review Questions, and Problems   Chapter 17 Data Link Control and Multiplexing       17.1     Flow Control and Error Control       17.2     High-Level Data Link Control       17.3     Motivation for Multiplexing       17.4     Frequency-Division Multiplexing       17.5     Synchronous Time-Division Multiplexing       Application Note: Changing Communications       17.6     Summary       17.7     Recommended Reading and Web Sites       17.8     Key Terms, Review Questions, and Problems   Case Study IX     Haukeland University Hospital     PART SIX  MANAGEMENT ISSUES   Chapter 18 Computer and Network Security Threats       18.1     Computer Security Concepts       18.2     Threats, Attacks, and Assets       18.3     Intruders       18.4     Malicious Software Overview       18.5     Viruses, Worms, and Bots       18.6     Recommended Reading and Web Sites       18.7     Key Terms, Review Questions, and Problems   Chapter 19 Computer and Network Security Techniques       19.1     Virtual Private Networks and IPSec       19.2     SSL and TLS       19.3     Wi-Fi Protected Access       19.4     Intrusion Detection       19.5     Malware Defense       19.6     Recommended Reading       19.7     Key Terms, Review Questions, and Problems   Case Study X       The Hacker in All of Us   Chapter 20 Network Management (ONLINE)       20.1     Network Management Requirements       20.2     Network Management Systems       20.3     Technical Control       20.4     Performance Monitoring       20.5     Simple Network Management Protocol (SNMP)       20.6     Summary       20.7     Recommended Reading and Web Sites       20.8     Key Terms, Review Questions, and Problems   Chapter 21 Network Planning and Design (ONLINE)       21.1  The Project Environment – The Big Picture       21.2  Planning       21.3  Design Techniques       21.4  Some Capacity Planning and Network Design Tools       21.5  Recommended Reading       21.6  Key Terms, Review Questions, and Problems       Appendix 21A        Some Simple Design Algorithms       Appendix 21B        Selling Books Online – A Case Study   Appendix A           Business Data Communications Projects       A.1   Animation Projects       A.2   Practical Exercises       A.3   Ethereal Projects       A.4   Research Projects       A.5   Reading/Report Assignments       A.6   Writing Assignments   Glossary   References   Index     ONLINE APPENDICES William Stallings.com/BDC/BDC6e.html   Appendix B          Standards Organizations           B.1    The Importance of Standards           B.2    Standards and Regulation           B.3    Standards-Setting Organizations   Appendix C          Uniform Resource Locators (URLs) and Uniform Resource Identifiers (URIs)           C.1    Uniform Resource Locator           C.2    Uniform Resource Identifier           C.3    To Learn More   Appendix D                   The International Reference Alphabet   Appendix E          The TCP/IP Checksum           E.1       Ones-Complement Addition           E.2       Use in TCP and IP   Appendix F          IBM's System Network Architecture (SNA)           F.1     Network Architecture           F.2     Advanced Program-to-Program Communication           F.3     Protocol Architecture   Appendix G          Fibre Channel   Appendix H          Bluetooth   Appendix I           Multipath Interference and Orthogonal Frequency Division Multiplexing (OFDM)   Appendix J           Cryptographic Algorithms           J.1     Symmetric Encryption           J.2     Public-Key Cryptography           J.3     Secure Hash Functions